| article html file updated | 9 February 2020 20:34 CET | Update | https://www.mdpi.com/2078-2489/9/6/137 |
| article html file updated | 4 October 2019 08:38 CEST | Update | - |
| article html file updated | 30 April 2019 13:07 CEST | Update | - |
| article html file updated | 16 April 2019 13:46 CEST | Update | - |
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| article html file updated | 30 March 2019 08:24 CET | Update | - |
| article html file updated | 25 June 2018 13:16 CEST | Update | - |
| article html file updated | 7 June 2018 07:40 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 07:38 CEST | Version of Record | https://www.mdpi.com/2078-2489/9/6/137/pdf |
| article xml uploaded. | 7 June 2018 07:38 CEST | Update | https://www.mdpi.com/2078-2489/9/6/137/xml |
| article xml file uploaded | 7 June 2018 07:38 CEST | Original file | - |
